- Enforced by
- Ofwat
- Status
- Amended (in force with amendments)
- Penalty ceiling
- Regulated
Does it bind you?
Business-side roles with duties under this instrument.
Plus 2 duties on the regulator, Crown ministers and public bodies — folded into the section list below.
What it requires
Regulations creating concrete business duties or carrying penalties, grouped as the instrument is structured. Titles link to the source text — blue means you’re leaving for legislation.gov.uk.
s.011
Sections 35 to 36: Questions to be decided in relation to mergers
Regulated
Other duties (1) — Crown / regulator
- CMA must decide if water merger harms Ofwat comparisons and set remediesStatutory regulator
s.037
Review
Regulated
Other duties (1) — Crown / regulator
- Secretary of State must review Water Mergers Regulations and publish reportsCrown / Minister / Government department
51 other provisions — procedural and definitional
s.001
Citation, commencement and interpretation
s.002
Modification of Part 3 of the 2002 Act
s.003
Omitted provisions
s.004
Sections 22 to 24: References in relation to completed mergers
s.005
Section 25: Extension of time-limits
s.006
Section 30: Relevant customer benefits
s.007
Section 31: Information powers in relation to completed mergers
s.008
Section 32: Supplementary provision for purposes of section 25
s.009
Section 33: Duty to make references in relation to anticipated mergers
s.010
Section 34: Supplementary provision in relation to anticipated mergers
s.010
Section 34C: functions to be exercised by CMA groups
s.010
Section 34ZA: Time-limits for decisions about references
s.010
Section 34ZB: Extension of time-limits
s.010
Section 34ZC: Sections 34ZA and 34ZB: supplementary
s.012
Section 37: Cancellation and variation of references
s.013
Section 38: Investigations and reports on references
s.013
Section 39: Time-limits for investigations and reports
s.014
Section 40: Section 39: supplementary
s.015
Section 41: Duty to remedy effects of completed or anticipated mergers
s.016
Section 71: Initial undertakings: completed mergers
s.017
Section 72: Initial enforcement orders: completed or anticipated mergers
s.017
Section 73A: Time-limits for consideration of undertakings
s.017
Section 74: Effect of undertakings under section 73
s.017
Section 75: Order making power where undertakings under section 73 not fulfilled etc
s.018
Section 77: Restrictions on certain dealings: completed mergers
s.019
Section 78: Restrictions on certain share dealings: anticipated mergers
s.020
Section 79: Sections 77 and 78: further interpretation provisions
s.021
Section 80: Interim undertakings
s.022
Section 81: Interim orders
s.023
Section 82: Final undertakings
s.024
Section 84: Final orders
s.024
Section 89: Subject-matter of undertakings
s.025
Section 103: Duty of expedition in relation to references
s.025
Section 103: Duty of expedition in relation to references
s.026
Section 104: Certain duties of relevant authorities to consult
s.027
Section 105: General information duties of OFT and Commission
s.028
Section 106: Advice and information about references under section 22, 33, 68B or 68C
s.029
Section 107: Further publicity requirements
s.029
Section 108: Defamation
s.030
Section 109: Attendance of witnesses and production of documents etc.
s.030
Section 110A: Restriction on powers to impose penalties under section 110
s.030
Section 110B: Section 110A: supplementary provision
s.030
Section 109B: Extra-territorial application of notices under section 109
s.030
Section 110: Enforcement of powers under section 109: imposition of penalties
s.031
Section 117: False or misleading information
s.031
Section 119: Minority reports of CMA
s.032
Section 120: Review of decisions under Part 3
s.033
Section 122: Primacy of EU law
s.034
Section 127: Associated persons
s.035
Section 129: Other interpretation provisions
s.036
Schedule 10: procedural requirements for certain enforcement undertakings and orders
Duty extraction and severity labels are Guvnor’s analysis of the instrument, not the instrument itself. Always verify against the linked source text.